H80.00 Otosclerosis involving oval window, nonobliterative, unspecified ear

Billable ICD-10-CM code, FY2026.

Applies from H80 Otosclerosis

Includes

• Otospongiosis

MS-DRG index

Defines the logic of DRG(s) 154-156 in MDC 03.

Approximate ICD-9-CM (GEMs)

• 387.0 Otosclerosis involving oval window, nonobliterative (approximate)

Nearby codes

• H80 Otosclerosis
• H80.0 Otosclerosis involving oval window, nonobliterative
• H80.00 Otosclerosis involving oval window, nonobliterative, unspecified ear (this code)
• H80.01 Otosclerosis involving oval window, nonobliterative, right ear
• H80.02 Otosclerosis involving oval window, nonobliterative, left ear
• H80.03 Otosclerosis involving oval window, nonobliterative, bilateral
• H80.1 Otosclerosis involving oval window, obliterative
• H80.10 Otosclerosis involving oval window, obliterative, unspecified ear